Eizo Kita

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fault protection for a multiphase bridge power converter
- Patent number 5,265,002
- Issue date Nov 23, 1993
- Hitachi, Ltd.
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Pump system operable by variable-speed control
- Patent number 5,160,244
- Issue date Nov 3, 1992
- Hitachi, Ltd.
- Takao Kuwabara
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Semiconductor electric power conversion system enabling fault and/o...
- Patent number 5,099,409
- Issue date Mar 24, 1992
- Hitachi, Ltd.
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable speed pumping-up system
- Patent number 5,026,256
- Issue date Jun 25, 1991
- Hitachi, Ltd.
- Takao Kuwabara
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Control system for a variable speed hydro-power plant apparatus
- Patent number 4,920,277
- Issue date Apr 24, 1990
- Hitachi, Ltd.
- Takao Kuwabara
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...